Section 8 of the manual describes commands which either can be or are used only by the superuser, like system-administration commands, daemons, and hardware-related commands. As with the commands described in Section 1, the commands described in this section terminate with an exit status that indicates whether the command succeeded or failed.

Page 1

grub-bios-setup
set up a device to boot using GRUB
grub-macbless
bless a mac file/directory
grub-mkconfig
generate a GRUB configuration file
grub-probe
probe device information for GRUB